<template>
    <div class="login_container">
        <div class="login_box">
            <!-- 表头 -->
            <div class="avatar"></div>
            <div class="title">登  陆</div>
            <!-- 姓名密码框 -->
            <el-form ref="loginFormRef" label-width="0px" class="login_form"
            :model ="loginForm" :rules ="loginFormRules">
                <!-- 用户名 -->
             <el-form-item prop="username">
             <el-input  prefix-icon="iconfont icon-user"
             v-model="loginForm.username"></el-input>
             </el-form-item>
                <!-- 密码 -->
             <el-form-item prop="password">
             <el-input  prefix-icon="iconfont icon-3702mima"
             v-model="loginForm.password" type="password"></el-input>
             </el-form-item>
              <!-- 按钮 -->
              <el-form-item class="btns">
                  <el-button type="primary" @click="login">登陆</el-button>
                  <el-button type="info" @click="resetLoginForm">重置</el-button>
              </el-form-item>
            </el-form>
        </div>
    </div>
</template>
<script>
export default {
    data(){
       
       return{
            //这是登录表单的数据绑定对象
            loginForm:{
            username:'admin',
            password:'123456'
             },
           // 这是表单的验证规则对象
           loginFormRules: {
               // 验证用户名
               username:[
                { required: true, message: '请输入用户名称', trigger: 'blur' },
                { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
               ],
               // 验证密码
               password:[
                  { required: true, message: '请输入密码', trigger: 'blur' },
                  { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }  
               ],
           }
        }
       },
       methods:{
           // 点击重置按钮
           resetLoginForm(){
               // console.log(this)
               this.$refs.loginFormRef.resetFields()
           },
           login(){
               this.$refs.loginFormRef.validate(async valid=>{
                  // console.log(valid);
                   if(!valid) return ;
                const {data: res} = await this.$http.post('login',this.loginForm);
                 console.log(res);
               if(res.meta.status !== 200) return  this.$message.error('登陆失败！');
               this.$message.success('登陆成功！');
               setTimeout(()=>{
                   window.sessionStorage.setItem("token", res.data.token);
               // 跳转后台
               this.$router.push('/home')
              },3000)
               })
           }
       }
    }

</script>
<style  scoped>
    .login_container{
        background-color: #35408D ;
        height: 100%;
    }
    .login_box{
        width:450px;
        height: 300px;
        background-color:#fff;
        border-radius:3px;
        position: absolute;
        left:50%;
        top:50%;
        transform: translate(-50%,-50%);
    }
    .avatar{
        width:100%;
        height: 50px;
        background-image: url("../assets/bg.jpg");
        
    }
    .btns{
        display:flex;
        justify-content: flex-end;
    }
    .login_form{
        position: absolute;
        bottom:0;
        width:100%;
        padding:0 50px;
        box-sizing: border-box;
    }
    .title{
        text-align: center;
        margin-top:20px;
        font-weight: 600;
        color:#35408D;
    }
</style>
